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calc

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f(x)= x^2 / (x-2)^2
find the intervals of concavity and the inflections points

  • calc - ,

    I will be happy to critique your work.

  • calc - ,

    If the function is twice differentiable within its domain, inflection points occur at values of c where f"(c)=0.
    Note that not all points where f"(c)=0 are inflection points.

    You need to check the concavity between points where f"(x)=0. It is concave up if f"(x)>0 and concave down if f"(x)<0.

    X=c is an inflection point if all of the following conditions are satisfied:
    1. f(x) is twice differentiable at c.
    2. f"(c)=0
    3. f"(c+) has a different sign than f"(c-), i.e. concavity changes.

    Now it's time for you to sharpen your pencil and show us some work.

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